| article html file updated | 8 February 2020 02:49 CET | Update | https://www.mdpi.com/2073-431X/6/2/15 |
| article html file updated | 24 September 2019 03:31 CEST | Update | - |
| article html file updated | 4 May 2019 03:47 CEST | Update | - |
| article html file updated | 15 June 2018 11:47 CEST | Update | - |
| article xml uploaded. | 15 June 2018 11:46 CEST | Update | https://www.mdpi.com/2073-431X/6/2/15/xml |
| article pdf uploaded. | 15 June 2018 11:46 CEST | Updated version of record | https://www.mdpi.com/2073-431X/6/2/15/pdf |
| Correction published | 15 June 2018 00:00 CEST | Correction | http://www.mdpi.com/2073-431X/7/2/35 |
| article html file updated | 28 June 2017 12:58 CEST | Update | - |
| article html file updated | 5 April 2017 12:00 CEST | Original file | - |
| article pdf uploaded. | 5 April 2017 11:59 CEST | Version of Record | https://www.mdpi.com/2073-431X/6/2/15/pdf-vor |
